Circle: まろん工房 (Maron Koubou)
https://www.pixiv.net/users/1481142
https://www.pixiv.net/stacc/kurichan
https://twitter.com/sagano_2
https://twitter.com/sagano_mk
https://twitter.com/intent/user?user_id=1034522972160122880
https://twitter.com/intent/user?user_id=1159067540577906693
https://pawoo.net/@saganoyuji
https://pawoo.net/web/accounts/593943
https://sketch.pixiv.net/@kurichan
https://www.dlsite.com/maniax/fsr/=/keyword_creater/"サガノユウジ"
https://twitter.com/saganoyuji
http://c10070251.circle.ms/oc/CircleProfile.aspx
http://c10071178.circle.ms/oc/CircleProfile.aspx
http://yfrog.com/user/saganoyuji/photos
